Oil Pump Drive shaft AR135-7901 Product:fits BB Chev 500 Series Cutter Swivel 120°

500 Series Cutter Swivel 120° Hose End -8ANBlack Finish

and construction

Inside Diameter: Large Cap - 57

It does feature dual distributor hold-downs and four corner water ports plus a fifth water outlet in the front of the manifold

Suits Big Block Chevy applications with "Short" water pump

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